*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background:#f5f5f5;color:#333;-webkit-tap-highlight-color:transparent}#root{max-width:480px;margin:0 auto;min-height:100vh;background:#fff;box-shadow:0 0 20px #0000001a}.app{display:flex;flex-direction:column;min-height:100vh}.header{background:#4caf50;color:#fff;padding:16px;position:sticky;top:0;z-index:10}.header h1{font-size:1.4rem;font-weight:600;margin-bottom:8px}.status{font-size:.8rem;opacity:.9}.status.connected{opacity:1}.status.disconnected{opacity:.7}.add-form{display:flex;gap:8px;padding:12px 16px;background:#fff;border-bottom:1px solid #e0e0e0;position:sticky;top:70px;z-index:9}.add-form input{flex:1;padding:12px 16px;border:2px solid #e0e0e0;border-radius:12px;font-size:1rem;outline:none;transition:border-color .2s}.add-form input:focus{border-color:#4caf50}.add-form button{width:48px;height:48px;border:none;background:#4caf50;color:#fff;font-size:1.5rem;font-weight:700;border-radius:12px;cursor:pointer;transition:background .2s;flex-shrink:0}.add-form button:hover:not(:disabled){background:#43a047}.add-form button:disabled{background:#ccc;cursor:not-allowed}.list-section{padding:8px 0}.section-title{font-size:.85rem;font-weight:600;color:#666;text-transform:uppercase;letter-spacing:.5px;padding:8px 16px}.section-header{display:flex;justify-content:space-between;align-items:center;padding:0 16px}.clear-btn{background:none;border:none;color:#f44336;font-size:.85rem;cursor:pointer;padding:4px 8px;border-radius:6px;transition:background .2s}.clear-btn:hover{background:#ffebee}.item-list{list-style:none}.item{display:flex;align-items:center;gap:12px;padding:14px 16px;border-bottom:1px solid #f0f0f0;transition:background .2s;animation:slideIn .2s ease-out}@keyframes slideIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.item:hover{background:#fafafa}.item.unchecked{background:#fff}.item.checked{background:#f9f9f9}.item.checked .item-name{text-decoration:line-through;color:#999}.check-btn{width:28px;height:28px;border:2px solid #ccc;border-radius:50%;background:#fff;cursor:pointer;font-size:1rem;line-height:1;display:flex;align-items:center;justify-content:center;transition:all .2s;flex-shrink:0;color:transparent}.check-btn:hover{border-color:#4caf50}.item.checked .check-btn{border-color:#4caf50;background:#4caf50;color:#fff}.item-name{flex:1;font-size:1rem;line-height:1.4}.delete-btn{width:28px;height:28px;border:none;background:none;color:#ccc;font-size:1.5rem;line-height:1;cursor:pointer;border-radius:6px;transition:all .2s;flex-shrink:0}.delete-btn:hover{background:#ffebee;color:#f44336}.empty-state{text-align:center;padding:60px 20px;color:#999}.empty-state p:first-child{font-size:1.2rem;margin-bottom:8px}.hint{font-size:.9rem}@media(max-width:480px){#root{box-shadow:none}}